Related Experiment Video
Updated: Jul 7, 2026
10:19
Analysis and Imaging of Osteocytes
Published on: November 29, 2024
[Assessment of bone quality. Osteocyte function and bone quality]
1National Center for Geriatrics and Gerontology, Department of Bone and Joint Disease.
Clinical Calcium
|March 4, 2008
Summary
Osteocytes regulate bone mineralization and resorption. Promoting osteocyte survival may prevent age-related fragility fractures.
Area of Science:
- Bone biology
- Skeletal health
- Mineral metabolism
Background:
- Osteocytes are crucial regulators of bone homeostasis, influencing mineralization and resorption.
- They play a role in phosphate handling and vitamin D activation within the kidney.
- Osteocytes are implicated in detecting and repairing microdamage accumulation during aging.
Purpose of the Study:
- To highlight the multifaceted roles of osteocytes in bone health.
- To explore the potential of osteocyte-focused interventions for preventing fragility fractures.
Main Methods:
- Review of existing literature on osteocyte function.
- Analysis of the relationship between osteocyte survival and skeletal integrity.
Main Results:
- Osteocytes actively control bone remodeling processes.
- Evidence suggests osteocytes are key in managing age-related microdamage.
- Targeting osteocyte survival presents a promising therapeutic avenue.
Conclusions:
- Osteocyte survival is critical for maintaining bone health and preventing fractures.
- Interventions aimed at enhancing osteocyte longevity warrant further investigation for osteoporosis and fracture prevention.
Related Concept Videos
01:30Bone Cells and Tissue
Bones contain a relatively small number of cells entrenched in a matrix of organic and inorganic components. Although bone cells compose only a small amount of the bone volume, they are crucial to its function. Four types of cells are found within the bone tissue— osteoblasts, osteocytes, osteogenic cells, and osteoclasts.
Osteoblasts and Osteocytes
The osteoblast is the bone cell responsible for forming new bone tissue. It is found in the growing portions of bone, including the periosteum and...
Osteoblasts and Osteocytes
The osteoblast is the bone cell responsible for forming new bone tissue. It is found in the growing portions of bone, including the periosteum and...
01:40Bone Remodeling
Bone remodeling is a continuous and balanced process of bone resorption by osteoclasts and bone formation by osteoblasts. In adults, it helps maintain bone mass and calcium homeostasis. While mechanical stress can stimulate turnover as part of the normal maintenance and reparative process, several hormones also regulate bone remodeling.
01:31Osteoclasts in Bone Remodeling
Osteoclasts are cells responsible for bone resorption and remodeling. They originate from hematopoietic progenitor cells present in the bone marrow. Numerous progenitor cells fuse to form multinucleated cells, each with 10-20 nuclei. A single osteoclast has a diameter of 150 to 200 µM. These cells have ruffled borders that break down the underlying bone tissue and release minerals such as calcium into the blood in bone resorption. Osteoclasts cling to bones with their ruffled edges during bone...
01:18The Bone Matrix
Bone contains a relatively small number of cells entrenched in a matrix of collagen fibers that provide an adherent surface for inorganic salt crystals. Both components of the matrix, organic and inorganic, contribute to the unusual properties of bone. Without collagen, bones would be brittle and shatter easily. Without mineral crystals, bones would flex and provide little support. This can be observed by an experiment: when the minerals of a bone are dissolved by soaking the bone in acid or...
01:23Bone as Supporting Connective Tissue
Bone tissue forms the internal skeleton of vertebrate animals, providing structure to the body.
Bone Matrix
Bone, or osseous tissue, is a connective tissue that has a large amount of two different types of matrix material. The organic matrix is similar to the matrix material found in other connective tissues, including some amount of collagen and elastic fibers. This gives strength and flexibility to the tissue. The inorganic matrix consists of mineral salts— mostly calcium salts— that give the...
Bone Matrix
Bone, or osseous tissue, is a connective tissue that has a large amount of two different types of matrix material. The organic matrix is similar to the matrix material found in other connective tissues, including some amount of collagen and elastic fibers. This gives strength and flexibility to the tissue. The inorganic matrix consists of mineral salts— mostly calcium salts— that give the...
01:29Bone Disorders
Aging and its effect on bone remodeling is the most common cause of bone disorders. In young and healthy people, bone deposition and resorption happen at an equal rate to maintain optimal bone health.
Bone deposition is also affected by the levels of sex hormones like estrogen and testosterone that promote osteoblast activity and bone matrix synthesis. When the level of these hormones decreases due to aging, it causes a reduction in bone deposition. As a result, bone resorption by osteoclasts...
Bone deposition is also affected by the levels of sex hormones like estrogen and testosterone that promote osteoblast activity and bone matrix synthesis. When the level of these hormones decreases due to aging, it causes a reduction in bone deposition. As a result, bone resorption by osteoclasts...